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Originally posted by zworld
Originally posted by Human0815
reply to post by zworld
1. The Water they use is as far as i remember in Circulation
and should not "Vanish" in the Deep of the Basements and Underground-Connections!
Thanks Human, I forgot about the closed loop system. That explains it.
For example, on the second day of the crisis, one official referred to “unconfirmed reports of boiling” in spent fuel pools, but the reports did not say which of the six reactors were involved, a maddening ambiguity for officials who oversaw similar reactors in the United States.
In hindsight, some of the information was simply wrong. John D. Monninger, an engineer at the N.R.C., reported that an explosion at Unit 4 had broken open the spent fuel pool, which had more radioactive materials in it than the Unit 4 reactor, and that “there’s no water in there whatsoever.” He added, “Somebody has talked about dropping sand in there, et cetera.”
The belief that the pool in Unit 4 was dry led the N.R.C. chairman, Gregory B. Jaczko, to recommend that Americans be evacuated to a radius of 50 miles — far larger than the area the Japanese government was recommending.
But N.R.C. officials said on Tuesday that given the actual releases of radioactive material, that move was sound. In one of several instances where frustration is evident among experienced regulators and engineers groping with fragmentary information half a world away, Mr. Monninger said, “To us, I mean the simple, obvious answer, of course, is water, water, water.”
Even though the pool was not dry, Tepco eventually did what he was calling for, using fire trucks to squirt water into the pools through the wreckage of the exploded buildings.
Speaking from Tokyo, he predicted that rising levels of radioactivity might stop airliners from coming to Tokyo. (This did not happen.) He remarked on his own tiredness, and rambled a bit. “When you’ve got a thousand dead bodies washing up on the shore, you know, it’s — you know, these people — I don’t know, I mean, we — you know, I think we’d be prepared for it, but it’s — this is — it is a tough time for them, and we’re over here barking at them.”
Now, almost a year after the accident, newly released transcripts of discussions by U.S. officials give the clearest picture yet of how that move was based at least in part on faulty information about whether spent fuel rods in one reactor had been exposed.
The documents, released in response to a Freedom of Information Act request by The Wall Street Journal and other organizations, consist of transcripts of phone conversations at the Nuclear Regulatory Commission's operations center in Rockville, Md., during the first 10 days after an earthquake and tsunami triggered the worst nuclear accident in Japan's history.
They show U.S. nuclear officials struggling to get a handle on the severity of the crisis unfolding more than 7,000 miles away, complaining of a lack of information from the Japanese side and in some cases turning to their own sources to assess radiation risks.
The U.S. got a key part right: The top U.S. nuclear regulator correctly projected, months before Japan acknowledged it, that all three operating reactors at the Fukushima Daiichi plant might be suffering from meltdowns, in which fuel melts in the reactor cores.
USB stick containing a confidential safety report on a UK nuclear power station has been lost in India, UK ministers have been told by a red-faced Office for Nuclear Regulation (ONR).
The report on Hartlepool nuclear power station was reportedly downloaded in unencrypted form on to the drive before being lost by a senior Health and Safety Executive (HSE) official while at a conference in India, sources told The Sun newspaper.
Containing extensive technical plans to the EDF-owned plant, the report was part of an assessment carried out on all ten of the country's nuclear power stations in the aftermath of the Fukushima incident after the Japan Tsunami last March.
FUKUSHIMA DAIICHI, Japan — Every two minutes on the bus ride through the ghost towns surrounding Japan's Fukushima Daiichi nuclear plant, a company guide in a white protective suit holds up a display showing the radiation level. And it is rising.
Passing through the disaster exclusion zone visitors catch sight of houses that look like they could be anywhere in Japan, except for the odd sign that there is no-one to look after them; that no-one has lived here for nearly a year. Occasionally an animal appears in a garden, left to fend for itself by owners who fled when the plant's nuclear reactors began spewing their poison last March.
Still the radiation level is rising.
Radiation monitoring system launched at schools
Japan's government has begun monitoring radiation levels on a real-time basis at schools, parks and other sites frequently visited by children in disaster-hit Fukushima Prefecture.
The Education Ministry on Tuesday launched the system for showing data from 2,700 monitoring sites on its website.
The ministry introduced the system in response to residents' worries about radioactivity levels that have risen since the accident at the Fukushima Daiichi nuclear power plant last March.
Website users can choose a place on a map and check the latest radiation levels there. Choosing Fukushima City brings up a list of 368 monitoring sites and their radiation levels.
The system also offers average radiation levels in 10 minutes, and graphs showing changes in radiation at chosen sites.
Tuesday, February 21, 2012 19:09 +0900 (JST)
SALT LAKE CITY -- Radioactive contamination from the Fukushima power plant disaster has been detected as far as almost 400 miles off Japan in the Pacific Ocean, with water showing readings of up to 1,000 times more than prior levels, scientists reported Tuesday.
But those results for the substance cesium-137 are far below the levels that are generally considered harmful, either to marine animals or people who eat seafood, said Ken Buesseler of the Woods Hole Oceanographic Institution in Massachusetts....
...Most of the cesium-137 detected during the voyage probably entered the ocean from water discharges, rather than atmospheric fallout, he added....
...Hartmut Nies, of the International Atomic Energy Agency, said Buesseler's findings were not surprising, given the vastness of the ocean and its ability to absorb and dilute materials. "This is what we predicted," Nies said after Buesseler presented his research. Nies said the water's cesium-137 concentration has been so diluted that just 20 miles offshore, "if it was not seawater, you could drink it without any problems." "This is good news," he said, adding that scientists expect levels to continue to decrease over time.
"We still don't have a full picture," Nies said, "but we can expect the situation will not become worse."
February 20, 2012 : At around 3:43pm, we observed that an error message was displayed in the screen of the noble gas monitoring system B of the gas management system of the primary containment vessel of Unit 2. Accordingly, the density of the noble gas in the system B was no longer observable at the Central Monitoring Station in the Main Anti-Earthquake Building. Observation was continued using the system A, one of the two systems A and B, which did not display any error message.
・ February 21, 2012 : at around 5:20pm, the same error message was displayed in the screen of system A. As a result, the density of the noble gas was no longer observable at Central Monitoring Station in the Main Anti-Earthquake Building. After investigating the situation at the site, we detected a failure of the transmission system which connects the site and the Central Monitoring Station in the Main Anti-Earthquake Building. However, there is no difficulty in confirming the subcriticality, as both the system A and B can be observed from the monitor at the site and, at the moment, the monitor screen can be remotely watched from the Central Monitoring Station in the Main Anti-Earthquake Building. The cause of the failure is now being investigated for restoration. The gas management system of the primary containment vessel of Unit 2 itself is in normal operation
Originally posted by Purplechive
Pipes Breaking at North Anna? and What the Heck is a "Training Building"?
Sounds like radioactive sh!t to me!!
"At 12:44 on 2/15/2012, the Virginia Department of Environmental Quality was notified of a sewage system release that had the potential to reach state waters. On 2/14/2012, it was identified that water was flowing from a manhole cover near the North Anna training building. Further review identified the training building sewage lift station had lost power and that the water line in the manhole discharges to the lift station. It was estimated that approximately 120-200 gallons of untreated water reached the ground around the manhole before power was restored to the lift station. Upon further investigation, the station could not confirm whether untreated water reached Lake Anna."
Last entry in NRC notification:
- Purple Chive
"On February 17, 2012, North Anna Power Station (NAPS) was notified by its vendor laboratory that a water sample, taken from an onsite ground water sample point, was confirmed to contain tritium above the voluntary reporting threshold of 20,000 picocuries per liter(pCi/L). The water sample, measuring 53,300 pCi/L, was obtained as a part of ongoing activities to determine the source of tritium previously reported to the state and NRC on October 29, 2010 (Event Notification - 46377). Current hydrological studies have determined the ground water in the area migrates to the station power block which is in the opposite direction from the lake. The ground water at the power block is collected in building subsurface drains and transported to a clarifier for processing. Clarifier discharge is accounted for as a monitored liquid effluent release pathway under the radiological effluent control program in accordance with the station's Offsite Dose Calculation Manual. As such, there is no increase to the projected annual dose to a member of the public. There are also no sources of drinking water in this area. Sampling of eight (8) ground water sample points outside the station protected area show no detectable levels of tritium confirming there is no migration offsite.
security cameras installed by the Israeli Magna BSP company are recording events from inside the nuclear plant.
Magna set up the security system about a year ago at the facility, which suffered extensive damage after the recent earthquake and tsunami.
The system includes cameras and a warning system that allows the plant's security staff to monitor anyone attempting to trespass onto the site or damage the perimeter fence.
But Magna's head, Haim Siboni, said the thermal cameras also have the ability to detect the presence of radioactive clouds in the air. "Using these special cameras, we can also identify radioactive clouds, due to the spectrum that our cameras can sense," Magna CEO Haim Siboni told The Jerusalem Post.
Launched in 2001, Magna is based in the southern Israeli city of Dimona. The defense security company specializes in producing and installing stereoscopic sensory and thermal imaging cameras. Siboni said that his company's cameras were probably not damaged in the quake and tsunami as they were placed high up.
Theoretically, Magna is able to gain remote access to the cameras at Fukushima. But because the Japanese government has not yet given them the right to do so, Magna has not yet seen the images being recorded there.
From the JPost: "As the world continues to gaze with concern at Japan’s Fukushima nuclear power plant, hi-tech security cameras installed by an Israeli defense firm are recording events at the troubled core from an insider’s vantage point. The Arava-based Magna BSP company, which specializes in producing and installing stereoscopic sensory and thermal imaging cameras, had been contracted to place cameras around one of the plant’s six cores – the core that has been experiencing explosions and overheating.
Originally posted by StonedSheep
In reply to Zworld: The black pole at R4 is a crane with a red thingy on top, maybe a rad monitoring device that was being retracted when the journalists arrived.
Hope that helps in someway!!!
There is not a lot going on, right now. The sun is setting over there. So, we haven't had as much in the way of direct contact although we've reached out for it.
So, do we know anything about the rad level?
We have no specifics.
I only point out that we've had a brief interaction with the IAEA folks and the operations center.....they've reached out to us, to see if we could help, and we've pretty much, shared with them, that, you know, our information was sketchy, at best.
The IAEA....confirmed that they are as starved for facts as we are....we were mutually unable to help each other, much.
NRC: that would be the avenue of why you would want to get into monitoring, just so that we can say, "Yes, we're measuring it, and it's okay."
NRC: You know, we're monitoring the situation, in terms of the health effects in Alaska and Hawaii.
unidentified male participant: I don't think you want to be talking about health effects.
Black substance found in front of School kitchen
Posted by Mochizuki on February 22nd, 2012
Following up this article ..Black substance emits 45.699μSv/h of alpha ray A Fukushima citizen reported to HCR that the black substance was found beside a school. It was right in front of the kitchen of a junior high school. Source Iori Mochizuki
Professor Navrotsky says as far as she knows there is no evidence of long-distance uranium contamination from Fukushima I Nuke Plant. "I don’t think the Japanese government is specifically looking for uranium anywhere outside the plant.....That doesn’t mean it doesn’t exist".
"Kelley's find also promoted discussion about potential radiation, but local experts said the nuclear plant did not melt down until after the tsunami came and went, so that is not a high level of concern.
National Weather spokesman Troy Nicolini, who helps coordinate tsunami preparedness plans for the North Coast, said radiation levels on debris is not what people should worry about.
”After 7,000 miles of ocean, NOAA's position is that it's extremely unlikely there is radioactivity,” he said."
Higley and other OSU experts have been active in studying the Fukushima accident since it occurred, and are now doing research to help scientists in Japan better understand such issues as uptake of radioactive contamination by plants growing near the site of the accident.
They also studied marine and fishery impacts near Japan soon after the incident. "In the city and fields near Fukushima, there are still areas with substantial contamination, and it may be a few years before all of this is dealt with," Higley said.
"But researchers from all over the world are contributing information on innovative ways to help this area recover, including some lessons learned from the much more serious Chernobyl accident in 1986 in the Ukraine." Some of the technology to deal with this is complex.
Other approaches, she said, can be fairly low-tech -- removal of leaf litter, washing, plowing the ground, collecting and concentrating water runoff. The repercussions of the event in the ocean, however, and implications for distant shores are much more subdued.
Most of the discharge that was of concern was radionuclides of iodine and cesium, which were deposited on widely dispersed, floating marine debris days after the tsunami.
Most of the iodine by now will have disappeared due to radioactive decay, and the cesium washed off and diluted in the ocean.
One of the key tasks in preventing the risk of nuclear meltdown at the Fukushima nuclear power station in Japan a year ago, was carried out by a team of Tokyo firefighters. In dangerous radiation levels, the men mostly over 40, had just 60 minutes to lay 800m of fire hose to help pump sea-water from the coast to the reactor buildings. The clip including Tokyo Fire Department footage is from This World: Inside the Meltdown broadcast on BBC Two at 21:00 GMT on Thursday 23 February or watch online afterwards via iPlayer (UK only) at the above link.